DEA by sequential exclusion of alternatives in heterogeneous samples


Data Envelopment Analysis (DEA) is a well-known nonparametric technique of e±ciency evaluation which is actively used in many economic applications. However, DEA is not very well applicable when a sample consists of ̄rms operating under drastically di®erent conditions. We o®er a new method of e±ciency estimation in heterogeneous samples based on a… (More)
DOI: 10.1142/S021962201550042X


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